package com.ambow.common.redis.service;

import com.ambow.common.utils.JacksonSerializer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;
import java.io.Serializable;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * @author 周志伟
 * @projectname 项目名称: ${project_name}
 * @classname: RedisUtils
 * @description:
 * @date 2018/7/18：11:34
 */
@Service
public class RedisServiceImpl implements IRedisService {
    public static final Logger logger = LoggerFactory.getLogger(RedisServiceImpl.class);
    @Autowired
    private RedisTemplate redisTemplate;
    private JacksonSerializer jacksonSerializer;

    @PostConstruct
    public void init() {
        jacksonSerializer = new JacksonSerializer();
    }

    /**
     * 写入缓存
     * @param key
     * @param value
     * @return
     */
    @Override
    public boolean set(final String key, Object value) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 写入缓存设置时效时间
     * @param key
     * @param value
     * @return
     */
    @Override
    public boolean set(final String key, Object value, Long expireTime , TimeUnit timeUnit) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, timeUnit);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 批量删除对应的value
     * @param keys
     */
    @Override
    public void remove(final String... keys) {
        for (String key : keys) {
            remove(key);
        }
    }

    /**
     * 批量删除key
     * @param pattern
     */
    @Override
    public void removePattern(final String pattern) {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0){
            redisTemplate.delete(keys);
        }
    }
    /**
     * 删除对应的value
     * @param key
     */
    @Override
    public void remove(final String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }
    /**
     * 判断缓存中是否有对应的value
     * @param key
     * @return
     */
    @Override
    public boolean exists(final String key) {
        return redisTemplate.hasKey(key);
    }
    /**
     * 读取缓存
     * @param key
     * @return
     */
    @Override
    public Object get(final String key) {
        Object result = null;
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        result = operations.get(key);
        return result;
    }

    /**
     * 哈希 添加
     * @param key
     * @param hashKey
     * @param value
     */
    @Override
    public void hmSet(String key, Object hashKey, Object value){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key,hashKey,value);
    }

    /**
     * 哈希获取数据
     * @param key
     * @param hashKey
     * @return
     */
    @Override
    public Object hmGet(String key, Object hashKey){
        HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
        return hash.get(key,hashKey);
    }


    /**
     * 列表添加
     * @param k
     * @param v
     */
    @Override
    public void lPush(String k, Object v){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.rightPush(k,v);
    }

    /**
     * 列表获取
     * @param k
     * @param l
     * @param l1
     * @return
     */
    @Override
    public List<Object> lRange(String k, long l, long l1){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k,l,l1);
    }

    /**
     * 集合添加
     * @param key
     * @param value
     */
    @Override
    public void add(String key, Object value){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key,value);
    }

    /**
     * 集合获取
     * @param key
     * @return
     */
    @Override
    public Set<Object> setMembers(String key){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * 有序集合添加
     * @param key
     * @param value
     * @param scoure
     */
    @Override
    public void zAdd(String key, Object value, double scoure){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.add(key,value,scoure);
    }

    /**
     * 有序集合获取
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    @Override
    public Set<Object> rangeByScore(String key, double scoure, double scoure1){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }


    @Override
    public boolean expire(String key, long timeout, TimeUnit timeUnit) {
        return redisTemplate.expire(key, timeout, timeUnit);
    }

    @Override
    public Long getExpire(String key, TimeUnit timeUnit) {
        return redisTemplate.getExpire(key, timeUnit);
    }

    /**
     * hash 以json格式添加
     *
     * @param key
     * @param field
     * @param value
     */

    @Override
    public void hmSetWithJson(String key, String field, Object value, long timeout, TimeUnit timeUnit) {
        redisTemplate.opsForHash().put(key, field, jacksonSerializer.serializer(value));
        if (timeout > 0) {
            expire(key, timeout, timeUnit);
        }
    }

    /**
     * hash 获取
     *
     * @param key
     * @param field
     * @param clazz
     * @param <T>
     * @return
     */
    @Override
    public <T> T hmGetWithJson(String key, String field, Class<T> clazz) {
        T t = null;
        try {
            HashOperations<String, String, String> hash = redisTemplate.opsForHash();
            String value = hash.get(key, field);
            t = jacksonSerializer.deserialize(value, clazz);
        } catch (Exception e) {
            logger.error("redisTemplate hmget object from redis failed. exception is: {}", e);
        }
        return t;
    }

    @Override
    public <T> T hmGetWithJson(String key, String field, Class<?> collectionClass, Class<?>... elementClasses) {
        T t = null;
        try {
            HashOperations<String, String, String> hash = redisTemplate.opsForHash();
            String value = hash.get(key, field);
            t = jacksonSerializer.deserialize(value, collectionClass, elementClasses);
        } catch (Exception e) {
            logger.error("redisTemplate hmget object from redis failed. exception is: {}", e);
        }
        return t;
    }

    @Override
    public void delete(String key) {
        redisTemplate.delete(key);
    }
}
